Move duration_to_secs_str to rustc_session

src/librustc/util/common.rs

@@ -88,15 +88,7 @@ pub fn print_time_passes_entry(do_it: bool, what: &str, dur: Duration) {
              what);
 }
 
-// Hack up our own formatting for the duration to make it easier for scripts
-// to parse (always use the same number of decimal places and the same unit).
-pub fn duration_to_secs_str(dur: Duration) -> String {
-    const NANOS_PER_SEC: f64 = 1_000_000_000.0;
-    let secs = dur.as_secs() as f64 +
-               dur.subsec_nanos() as f64 / NANOS_PER_SEC;
-
-    format!("{:.3}", secs)
-}
+pub use rustc_session::utils::duration_to_secs_str;
 
 pub fn to_readable_str(mut val: usize) -> String {
     let mut groups = vec![];

src/librustc_session/lib.rs

@@ -1 +1,2 @@
 pub mod cgu_reuse_tracker;
+pub mod utils;

src/librustc_session/utils.rs

@@ -0,0 +1,9 @@
+// Hack up our own formatting for the duration to make it easier for scripts
+// to parse (always use the same number of decimal places and the same unit).
+pub fn duration_to_secs_str(dur: std::time::Duration) -> String {
+    const NANOS_PER_SEC: f64 = 1_000_000_000.0;
+    let secs = dur.as_secs() as f64 +
+               dur.subsec_nanos() as f64 / NANOS_PER_SEC;
+
+    format!("{:.3}", secs)
+}